AD8418WBRMZ-RL

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AD8418WBRMZ-RL Application Field and Working Principle

Introduction

The AD8418WBRMZ-RL is a low-noise, low-distortion, high-impedance, Automotive AEC-Q100 Grade 1 qualified operational amplifier (Op Amp) with a wide 1.8V to 5.5V operating range, which is suitable for many linear applications. Its wide temperature range and low distortion enables the device to be used in a variety of high-performance audio applications. With high common mode rejection (CMRR) and rail-to-rail input and output operation, this device offers good performance in the presence of high noise environments. This makes it ideal for high-resolution video, audio, and instrumentation applications.

Application Field

The AD8418WBRMZ-RL is well-suited for many linear applications, including audio and video signal conditioning, as well as automotive and industrial instrumentation. It is also used in many medical devices, such as medical imaging and electrocardiographs (ECG). Additionally, its low-noise performance and wide operating range make the device ideal for use in test and measurement equipment, such as oscilloscopes and digital signal analyzers.

Features and Benefits

The AD8418WBRMZ-RL offers several features and benefits that makes it ideal for numerous linear applications. It has a high input impedance, which ensures low signal loading, as well as low distortion, making it suitable for low-distortion audio applications. The device also offers wide common mode range, providing high gain accuracy, as well as outstanding CMRR for effective rejection of noise, transients, and common-mode signals. It also has a wide 1.8V to 5.5V operating range, with up to 18V of power supply rejection (PSRR).

Interface Types

The AD8418WBRMZ-RL is available in two-types of interface: Through-Hole (TH) and Surface Mount (SMT). Through-Hole packages are available in 8-lead PDIP, 8-pin SOIC, and 8-pin MSOP packages. SMT packages are available in 8-pin MLP, 8-pin SOIC, and 8-pin TSOP packages.

Working Principle

The AD8418WBRMZ-RL operates on a two-stage amplifier configuration, consisting of an input stage, followed by a gain stage. This configuration provides improved bandwidth and low distortion performance. The input stage is a low noise differential amplifier, designed to provide high common-mode rejection. The gain stage consists of a high-performance rail-to-rail CMOS output stage, with a gain of approximately 100 V/V. The output stage can drive a wide range of loads, from low impedance loads to high capacitive loads.

Conclusion

The AD8418WBRMZ-RL is a high-performance, low-noise, low-distortion Op Amp with a wide 1.8V to 5.5V operating range and up to 18V of PSRR, which makes it ideal for numerous linear applications. Its two-stage amplifier configuration and wide common-mode range allows it to be used in high-resolution audio, video, and instrumentation applications, as well as automotive and industrial applications. It is available in two types of packages: Through-Hole and Surface Mount, making it easy to use in a variety of designs.

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